19508930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{827}}^1$

素因数の和:1178

約数の個数: 32

約数和(自身を含む): 40300416

約数和(自身を除く): 20791486

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 337, 674, 827, 1654, 1685, 2359, 3370, 4135, 4718, 5789, 8270, 11578, 11795, 23590, 28945, 57890, 278699, 557398, 1393495, 1950893, 2786990, 3901786, 9754465, 19508930]

約数ペア:

[(1, 19508930), (2, 9754465), (5, 3901786), (7, 2786990), (10, 1950893), (14, 1393495), (35, 557398), (70, 278699), (337, 57890), (674, 28945), (827, 23590), (1654, 11795), (1685, 11578), (2359, 8270), (3370, 5789), (4135, 4718)]